Abstract
AbstractThe atomic-scale structural and electric parameters of the 90° domain-walls in tetragonal ferroelectrics are of technological importance for exploring the ferroelectric switching behaviors and various domain-wall-related novel functions. We have grown epitaxial PbTiO3/SrTiO3 multilayer films in which the electric dipoles at 90° domain-walls of ferroelectric PbTiO3 are characterized by means of aberration-corrected scanning transmission electron microscopy. Besides the well-accepted head-to-tail 90° uncharged domain-walls, we have identified not only head-to-head positively charged but also tail-to-tail negatively charged domain-walls. The widths, polarization distributions and strains across these charged domain-walls are mapped quantitatively at atomic scale, where remarkable difference between these domain-walls is presented. This study is expected to provide fundamental information for understanding numerous novel domain-wall phenomena in ferroelectrics.
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Dates
Type | When |
---|---|
Created | 11 years, 6 months ago (Feb. 18, 2014, 5:08 a.m.) |
Deposited | 2 years, 7 months ago (Jan. 6, 2023, 3:16 a.m.) |
Indexed | 1 day, 15 hours ago (Sept. 3, 2025, 6:54 a.m.) |
Issued | 11 years, 6 months ago (Feb. 18, 2014) |
Published | 11 years, 6 months ago (Feb. 18, 2014) |
Published Online | 11 years, 6 months ago (Feb. 18, 2014) |
@article{Tang_2014, title={Atomic-scale mapping of dipole frustration at 90° charged domain walls in ferroelectric PbTiO3 films}, volume={4}, ISSN={2045-2322}, url={http://dx.doi.org/10.1038/srep04115}, DOI={10.1038/srep04115}, number={1}, journal={Scientific Reports}, publisher={Springer Science and Business Media LLC}, author={Tang, Y. L. and Zhu, Y. L. and Wang, Y. J. and Wang, W. Y. and Xu, Y. B. and Ren, W. J. and Zhang, Z. D. and Ma, X. L.}, year={2014}, month=feb }